package com.hgw.Demo04_BridgePattern;

/**
 * Data time:2021/12/14 21:21
 * StudentID:2019112118
 * Author:hgw
 * Description: 抽象的操作系统类，抽象类
 */
public abstract class OperatingSystem {

    // 声明VideoFile变量
    protected VideoFile videoFile;

    public OperatingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    public abstract void play(String fileName);
}
